The Comparative Analysis :
BMW 420d Coupé Steptronic (17 - ..) vs. BMW M4 Coupé (17 - 18)
€ 46,700
€ 79,100
€ 46,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 79,100
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The 420d Coupé is a little smaller in every dimension. It's 3.3 cm shorter, 4.5 cm narrower and 0.6 cm lower than the M4 Coupé.
420d Coupé
M4 Coupé
1377
1825
2017
1383
1870
2014
1825 mm
Width
1870 mm
2017 mm
Width Incl. Mirrors
2014 mm
1377 mm
Height
1383 mm
2810
4638
2812
4671
4638 mm
Length
4671 mm
2810 mm
Wheelbase
2812 mm
Vehicle Weight
420d Coupé
M4 Coupé
1615 kg
Kerb Weight
1572 kg
2065 kg
Gross Vehicle
Weight
Weight
2040 kg
Weight Difference:
43 kg
2.66 %
General
420d Coupé
M4 Coupé
F32
Generation
F82
Coupe
Car Body Style
Coupe
Diesel
Fuel Type
Super Unleaded (98 RON)
Rear-wheel drive
Drive
Rear-wheel drive
8-speed automatic transmission
Transmission
6-speed manual transmission
Engine
420d Coupé
M4 Coupé
Straight-four diesel engine with turbocharger
Engine Type
Straight-six petrol engine with two turbochargers (biturbo)
BMW B47
Engine Series
BMW S55
B47-D20
Engine Code
S55-B30
4
Valves
4
4
Cylinders
6
1995 CC
Engine Capacity
2979 CC
187 bhp
at 4000 rpm
Power
425 bhp
at 5500 rpm
420d Coupé
187 bhp
425 bhp
M4 Coupé
400 NM
at 1750 rpm
Max. Torque
550 NM
at 1850 rpm
420d Coupé
400 NM
550 NM
M4 Coupé
Performance
420d Coupé
M4 Coupé
144 mph
Maximum Speed
155 mph
7.2 sec
Acceleration 0 to 62 mph
4.3 sec
62 mph
62
mph
mph
100 m
0.000 sec
420d Coupé
62 mph
62
mph
mph
60 m
0.000 sec
M4 Coupé
▶ REPLAY
8.64 kg/bhp
Weight-to-Power Ratio
3.7 kg/bhp
420d Coupé
8.64 kg/bhp
3.7 kg/bhp
M4 Coupé
Fuel Economy / Emissions
420d Coupé
M4 Coupé
Fuel Economy
63 mpg
combined
31 mpg
420d Coupé
63 mpg
31 mpg
M4 Coupé
54 mpg
city
23 mpg
No data
motorway
No data
57 L
Fuel Tank Capacity
60 L
787 mi
Range
409 mi
420d Coupé
787 mi
409 mi
M4 Coupé
Environmental Impact
92.5 kWh
Total Energy Consumption
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
172.4 kWh
420d Coupé
92.5 kWh
172.4 kWh
M4 Coupé
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 6b (NEFZ)
148 g/km (WLTP)
CO2 Emissions
209 g/km (NEFZ)
Practical Convenience
420d Coupé
M4 Coupé
2
Doors
2
4
No. of Seats
4
450 kg
Maximum Payload
468 kg
445 L
Boot Capacity
445 L
No data
Boot Capacity (Seats Down)
No data
